diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/include/asm/syscalls_32.h | 4 | ||||
| -rw-r--r-- | arch/sh/include/asm/unistd.h | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/signal_32.c | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/signal_64.c | 72 |
4 files changed, 13 insertions, 71 deletions
diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h index ae717e3c26d6..6c1fa559753c 100644 --- a/arch/sh/include/asm/syscalls_32.h +++ b/arch/sh/include/asm/syscalls_32.h @@ -23,9 +23,7 @@ asmlinkage int sys_execve(const char __user *ufilename, const char __user *const __user *uargv, const char __user *const __user *uenvp, unsigned long r7, struct pt_regs __regs); -asmlinkage int sys_sigsuspend(old_sigset_t mask, unsigned long r5, - unsigned long r6, unsigned long r7, - struct pt_regs __regs); +asmlinkage int sys_sigsuspend(old_sigset_t mask); asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act, struct old_sigaction __user *oact); asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h index a42a5610a36a..e800a38c9f8d 100644 --- a/arch/sh/include/asm/unistd.h +++ b/arch/sh/include/asm/unistd.h @@ -1,13 +1,11 @@ #ifdef __KERNEL__ # ifdef CONFIG_SUPERH32 - # include "unistd_32.h" -# define __ARCH_WANT_SYS_RT_SIGSUSPEND - # else # include "unistd_64.h" # endif +# define __ARCH_WANT_SYS_RT_SIGSUSPEND # define __ARCH_WANT_IPC_PARSE_VERSION # define __ARCH_WANT_OLD_READDIR # define __ARCH_WANT_OLD_STAT diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 46c9f9b00b14..04d776f35869 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -53,9 +53,7 @@ struct fdpic_func_descriptor { * Atomically swap in the new signal mask, and wait for a signal. */ asmlinkage int -sys_sigsuspend(old_sigset_t mask, - unsigned long r5, unsigned long r6, unsigned long r7, - struct pt_regs __regs) +sys_sigsuspend(old_sigset_t mask) { sigset_t blocked; siginitset(&blocked, mask); diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index 3c9a6f7dcdce..8f6ed236c932 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -83,11 +83,12 @@ handle_syscall_restart(struct pt_regs *regs, struct sigaction *sa) * the kernel can handle, and then we build all the user-level signal handling * stack-frames in one go after that. */ -static int do_signal(struct pt_regs *regs, sigset_t *oldset) +static void do_signal(struct pt_regs *regs) { siginfo_t info; int signr; struct k_sigaction ka; + sigset_t *oldset; /* * We want the common case to go fast, which @@ -96,11 +97,11 @@ static int do_signal(struct pt_regs *regs, sigset_t *oldset) * if so. */ if (!user_mode(regs)) - return 1; + return; if (current_thread_info()->status & TS_RESTORE_SIGMASK) oldset = ¤t->saved_sigmask; - else if (!oldset) + else oldset = ¤t->blocked; signr = get_signal_to_deliver(&info, &ka, regs, 0); @@ -118,7 +119,7 @@ static int do_signal(struct pt_regs *regs, sigset_t *oldset) tracehook_signal_handler(signr, &info, &ka, regs, test_thread_flag(TIF_SINGLESTEP)); - return 1; + return; } } @@ -147,71 +148,18 @@ static int do_signal(struct pt_regs *regs, sigset_t *oldset) sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } - return 0; + return; } /* * Atomically swap in the new signal mask, and wait for a signal. */ asmlinkage int -sys_sigsuspend(old_sigset_t mask, - unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, - struct pt_regs * regs) +sys_sigsuspend(old_sigset_t mask) { - sigset_t saveset, blocked; - - saveset = current->blocked; - - mask &= _BLOCKABLE; + sigset_t blocked; siginitset(&blocked, mask); - set_current_blocked(&blocked); - - REF_REG_RET = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_restore_sigmask(); - regs->pc += 4; /* because sys_sigreturn decrements the pc */ - if (do_signal(regs, &saveset)) { - /* pc now points at signal handler. Need to decrement - it because entry.S will increment it. */ - regs->pc -= 4; - return -EINTR; - } - } -} - -asmlinkage int -sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, - unsigned long r4, unsigned long r5, unsigned long r6, - unsigned long r7, - struct pt_regs * regs) -{ - sigset_t saveset, newset; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - sigdelsetmask(&newset, ~_BLOCKABLE); - saveset = current->blocked; - set_current_blocked(&newset); - - REF_REG_RET = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - regs->pc += 4; /* because sys_sigreturn decrements the pc */ - if (do_signal(regs, &saveset)) { - /* pc now points at signal handler. Need to decrement - it because entry.S will increment it. */ - regs->pc -= 4; - return -EINTR; - } - } + return sigsuspend(&blocked); } asmlinkage int @@ -732,7 +680,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) { if (thread_info_flags & _TIF_SIGPENDING) - do_signal(regs, 0); + do_signal(regs); if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); |